Conserved Protein Domain Family
SICA_alpha

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pfam12887: SICA_alpha 
SICA extracellular alpha domain
The SICA (schizont-infected cell agglutination) proteins of P. knowlesi, one of the variant antigen gene families, are associated with parasitic virulence. These proteins are comprised of multiple domains, with the extracellular domains occurring at different frequencies. This domain is typically found at the N-terminus, with 1 or 2 copies per protein. The domain is cysteine-rich domain and similar to PFAM:PF12878.
Statistics
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PSSM-Id: 432854
Aligned: 18 rows
Threshold Bit Score: 140.654
Created: 16-Feb-2025
Updated: 28-Apr-2025
Structure
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Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
XP_002262012    7 EGLLKGWMEHWKSTNGVTTGqap----eaKAEQIATTLKDNLETAFSTLDSWLAeR--SESNEIRNL-Cgkgkedggkfw 79  
XP_002262011    6 AGVLTKWMQNEGGSAGQRGQi--------NSNTASQKLQDELKKMFEELRTRIE-Em-NFPKEINNA-Casagt------ 68  
XP_002261105    6 anVLAEWY-------RNAGK---------TGDAAYEEVEKEMKDMFEELRGRID-Ne-IDHTGVAKA-Caqvkmny---- 62  
XP_002260171   31 RGLREKWQEYL---RTHSGNsgqsaqavtLPSD----LTGKVETMLETLRPYMQ-Wa-REEKSVLNA-Cstlkypk---- 96   Plasmodium kn...
XP_002258014   30 TKLKDAWDKKWKELTQNgqlv----qterIPGDA----GTRVTEMLDDLKRYMK-Wg-DAPGSASTA-Caslsag----- 93   Plasmodium kn...
XP_002257676    8 aEFIQKWLAQRGANNM-------------KAEVLLQRVKEKVKDMLDDMV--------ERADHEEKL-Cnqqgqdg---- 61   Plasmodium kn...
XP_002258015    8 aeFMKKWLAEEGTGAM-------------DVKVLLKRVEEGVEDMLDNAQ--------DRTTDEVEQ-Caqqdtng---- 61   Plasmodium kn...
XP_002261183    8 AEFMKKLLAEEGTGGM-------------SAGVLLQRVTERVKDMLDDMV--------EKADNEKTE-Cdavdgdg---- 61   Plasmodium kn...
XP_002257731    9 pQLVQEWYSKEGK----------------DARTDAPKLFEELNKYVDDFMIKIN-TeyTFYTSIGEEgCrditisg---- 67   Plasmodium kn...
XP_002257673  234 rdLVNKWTERNSGA---------------MHGQLNEGIKENLQKIFKNLKDTLn----MEEGIHSTL-Cayyggegrg-- 291  Plasmodium kn...
XP_002262012   80 rgsgvepeYRKILCEAILEIKYFMNGVETKKAg---KGTSPQDETPFVT-PLTP-EKAYARCIVGMLALSEIYGD-HCKL 153 
XP_002262011   69 ----kygdHDKLICKTLLRTVYWMNGIAESGK--------PKVGGSDQG-GEQG-LRDYFRCIVGYSAMAKLLSN-KRDV 133 
XP_002261105   63 -ggrgphnQEKKICKTLVKTIYWMNGLDKDGT--------PKV--DHGKpGERE-LREHLRCIVGYSAMAKILSN-KCEV 129 
XP_002260171   97 --drkkegHMKQICRVPVMIVNWMAGLDPQGKn--kTPTT----------PGDS-WEPYLRCIVGNSIIFRILKN-KCEA 160  Plasmodium kn...
XP_002258014   94 --stgrtgHMKNICKVLVQIVNWMGNLQKDGSn--kKNNT----------LEPS-WVPYLRCVVGSGIILRILGN-KCKS 157  Plasmodium kn...
XP_002257676   62 -qpilkdpKEKNLCKILIRLFYCIARLRQRGEgg-gAKKTWIWEKIVMKdPTEEhVQDYLRCIIGKILIVKILAA-QCDP 138  Plasmodium kn...
XP_002258015   62 -epilkdpKEKNLCKILIRLFYGIARLRQVGKkegnKTENWEWIKTVMTnSTEEhVQDYLRCIIGKILIVKMLAA-QCNT 139  Plasmodium kn...
XP_002261183   62 -kpilkddMSKNLCKILIRLFFWIARLRQKGIkgggKGKMWEWIKTVLTdSTEKhVQDYLRCIIGKILIVKMLAA-HCDP 139  Plasmodium kn...
XP_002257731   68 --egltaeDGKKWCSFLFQNLWIIEMLKKQNE---------------HAaQYKKaLQDYVWCQV-MRAWSYILSDmYCGV 129  Plasmodium kn...
XP_002257673  292 sgkvpwggPEKEFCKAVLKVLLYTNGLT-------------HRFDIRQGvQKEDsVAAYLRCIVGRVVLTELYGG-HCLF 357  Plasmodium kn...
XP_002262012  154 DEVIervqDKVS---A----GIQQKL-NAYLVPNYr-------tNlDICKKITNTDLIVGRSLLHDKIKGW 209 
XP_002262011  134 QKIV----QAVQ---D----AATGGIkDEGNENIN-----------KKCESVTLEDMEFGSQILGGSLEEW 182 
XP_002261105  130 VDII----ENVQ---E----TVGDVIgIGAKGNIN-----------EKCNSVTYGDLALGSQILQKNLGEW 178 
XP_002260171  161 QQML----KIIS---D----TMAKGGsQPSVTGAN-----------SICAWVRMEDMEEVENLIGPALDQW 209  Plasmodium knowlesi st...
XP_002258014  158 QDIM----NVIF---N----TMKNGGtEGTLSGMG-----------GICSWVKVDDMEEAEQLLRPTLDQW 206  Plasmodium knowlesi st...
XP_002257676  139 SRVV----QIVK---G----AIGENIeKNNAQEEH-----------NKCKGMDFKSLSIGQKFFWAEIrgs 187  Plasmodium knowlesi st...
XP_002258015  140 NKVV----EIVK---N----AVDSTIeKKGAQEEH-----------DKCKKIDFKSLSMGQKFFWAEIQds 188  Plasmodium knowlesi st...
XP_002261183  140 SKVI----PIVQ---N----AVDKTIkEKKAEKEH-----------NKCKEMDYKSLSIGRKFFWAEIEds 188  Plasmodium knowlesi st...
XP_002257731  130 SGSL----PVFF---N----KVKEQL--------CtiwgttvpcGgPTCEYGPLDPMDVGGSSVLNYIFQK 181  Plasmodium knowlesi st...
XP_002257673  358 NKHIeymhRMVQpfvDihgpDMKDQL----------------------CSNFDLDKSILGGQLLWDTVRKW 406  Plasmodium knowlesi st...
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